Keystones — Capstone
Five GCSE retrieval questions · 28 August 2026 · mathsvault.uk/keystones
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1. Number Multiplying in standard form
Multiply: 3.6 × 106 × 7.9 × 104
Answer: 2.84 × 1011 -
2. Algebra Inequalities with unknowns on both sides
Solve: 8x + 11 ≤ 5x - 5
Answer: x ≤ 5.3 -
3. Geometry Area using Pythagoras
Calculate the area of a right triangle with perpendicular sides 11cm and 6cm
Answer: 33cm² -
4. Ratio Ratio given the difference
In ratio 5:3, the difference between shares is 60. What is the total?
Answer: 240 -
5. Statistics Mode
Find the mode of: 40, 17, 63, 27, 70
Answer: No mode